참고문헌
- J. Korean Math. Soc. v.29 no.1 Generalized Semiautomorphism Group of Modules C.H. Park
- semigroup Forum v.48 On right congruences associated with the input Semigroup S of Automata C.H. Park
- Pure Mathematics and Applications Ser. A v.5 no.2 On Free and Torsion-Free Automata C.H. Park
- Korean J. CAM v.2 no.2 Small and Large Automata C.H. Park
- Modules and Rings F.Kasch
- Modules and the Structure of Rings J.S. Golan;T. Head